solemn words echoed in Lin Feng's ears, causing a輕微 flutter in his heart as he gazed at Grandmaster North with a blank expression.,Lin Feng's body felt as if it had been electrified, and he stood there in a daze. He watched as the stone wall slowly closed, and the silhouette of Old North disappeared.,Lin Feng went through the other martial arts on the bookshelf, but could not find one that was more suitable for him than the Cross Shadow Killing Technique. Eventually, he gathered all the martial arts on the bookshelf and placed them inside the stone ring.。